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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">madi</journal-id><journal-title-group><journal-title xml:lang="ru">Автомобиль. Дорога. Инфраструктура. = Avtomobil'. Doroga. Infrastruktura.</journal-title><trans-title-group xml:lang="en"><trans-title>Avtomobil'. Doroga. Infrastruktura.</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2409-7217</issn><publisher><publisher-name>МАДИ</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">madi-1607</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>2.4.7. Турбомашины и поршневые двигатели</subject></subj-group></article-categories><title-group><article-title>Сравнение показателей газового двигателя с различным фазированием подачи газа</article-title><trans-title-group xml:lang="en"><trans-title>Comparison of gas engine performance with different gas supply methods</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Илюшин</surname><given-names>Дмитрий Николаевич</given-names></name><name name-style="western" xml:lang="en"><surname>Ilyushin</surname><given-names>Dmitriy N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>старший преподаватель кафедры «Теплотехника и гидравлика»</p></bio><bio xml:lang="en"><p>senior lecturer at the Department of Heat Engineering and Hydraulics</p></bio><email xlink:type="simple">ilyushin@vstu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Темин</surname><given-names>Роман Андреевич</given-names></name><name name-style="western" xml:lang="en"><surname>Temin</surname><given-names>Roman A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры «Теплотехника и Гидравлика»</p></bio><bio xml:lang="en"><p>postgraduate student at the Department of Heat Engineering and Hydraulics</p></bio><email xlink:type="simple">romantemin@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Салыкин</surname><given-names>Евгений Александрович</given-names></name><name name-style="western" xml:lang="en"><surname>Salykin</surname><given-names>Evgeniy A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доц., зав. кафедрой «Теплотехника и гидравлика»</p></bio><bio xml:lang="en"><p>Candidate of Sciences (Technical), Associate Professor, Head of the Department of Heat Engineering and Hydraulics</p></bio><email xlink:type="simple">e_salykin@vstu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Федянов</surname><given-names>Евгений Алексеевич</given-names></name><name name-style="western" xml:lang="en"><surname>Fedyanov</surname><given-names>Evgeniy A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р техн. наук, профессор кафедры «Теплотехника и гидравлика»</p></bio><bio xml:lang="en"><p>Doctor of Sciences (Technical), Professor of the Department of Heat Engineering and Hydraulics</p></bio><email xlink:type="simple">fedyanov@vstu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ВолгГТУ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>VSTU</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2026</year></pub-date><volume>0</volume><issue>2(48)</issue><fpage>6</fpage><lpage>6</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Илюшин Д.Н., Темин Р.А., Салыкин Е.А., Федянов Е.А., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Илюшин Д.Н., Темин Р.А., Салыкин Е.А., Федянов Е.А.</copyright-holder><copyright-holder xml:lang="en">Ilyushin D.N., Temin R.A., Salykin E.A., Fedyanov E.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.adi-madi.ru/madi/article/view/1607">https://www.adi-madi.ru/madi/article/view/1607</self-uri><abstract><p>Приведены результаты сравнительных испытаний двигателя с искровым зажиганием при подаче природного газа непосредственно в цилиндр в различные фазы рабочего цикла: на такте впуска и на такте сжатия. Сравнение проведено по величине индикаторной работы цикла, значения которой определены обработкой индикаторных диаграмм, снятых в процессе испытаний. Дано описание испытательного стенда и использованного измерительного оборудования. Установлено, что в исследованном диапазоне частичных нагрузок подача газа в цилиндр на такте сжатия позволяет увеличить индикаторную работу цикла на 5-7%. Отмечено, что при подаче газа на такте впуска наполнение цилиндров воздухом ниже, чем при том же положении дроссельной заслонки и подаче газа на такте сжатия. Показано, что отмеченное уменьшение расхода воздуха обусловлено снижением разрежения в цилиндре вследствие подачи в его объем природного газа через форсунку. Обосновано предположение о том, что наблюдаемая более высокая скорость сгорания при подаче газа на такте сжатия обусловлена влиянием струи газа, подаваемого на такте сжатия, на параметры турбулентности в камере сгорания.</p></abstract><trans-abstract xml:lang="en"><p>The results of comparative tests of a spark-ignition engine are presented, in which natural gas was injected directly into the cylinder during different phases of the power cycle: during the intake stroke and, in the second case, during the compression stroke. The comparison was based on the cycle work, the values of which were determined by analyzing the indicator diagrams recorded during the tests. A description of the test bench and the measuring equipment used is provided. It was found that, within the investigated range of partial loads, supplying gas to the cylinder during the compression stroke allows the cycle indicator work to be increased by 5–7%. It is noted that when gas is supplied during the intake stroke, the air filling of the cylinders is lower than at the same throttle valve position and gas supply during the compression stroke. It is shown that the observed decrease in air flow is due to a reduction in cylinder vacuum resulting from the supply of natural gas into the cylinder volume through the injector. The assumption that the observed higher combustion rate during gas injection in the compression stroke is due to the influence of the gas jet injected during the compression stroke on the turbulence parameters in the combustion chamber is substantiated.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>газовый двигатель</kwd><kwd>подача газа</kwd><kwd>мощность газового двигателя</kwd><kwd>непосредственная подача природного газа</kwd><kwd>индикаторная диаграмма</kwd></kwd-group><kwd-group xml:lang="en"><kwd>gas engine</kwd><kwd>gas supply</kwd><kwd>gas engine power</kwd><kwd>natural gas direct injection</kwd><kwd>indicator diagram</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Перспективы газомоторного рынка России / Финансовый университет при правительстве Российской федерации. – URL: https://www.fa.ru/university/structure/university/uso/press-service/press-releases/perspektivy-gazomotornogo-rynka-rossii?utm_source=chatgpt.com (дата обращения: 09.05.2026).</mixed-citation><mixed-citation xml:lang="en">Perspektivy gazomotornogo rynka Rossii [Elektronnyj re-surs] / Finansovyj universitet pri pravitel'stve Rossijskoj federacii. – Rezhim dostupa: https://www.fa.ru/university/structure/university/uso/press-service/press-releases/perspektivy-gazomotornogo-rynka-rossii?utm_source=chatgpt.com (data obrashcheniya: 09.03.2026).</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Анализ способов конвертации автомобильных дизелей на питание природным газом / М. 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